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/*
* Copyright (c) 2018 DataDirect Networks. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ime_native.h"
#include "ompi_config.h"
#include "fs_ime.h"
#include <sys/stat.h>
#include "mpi.h"
#include "ompi/constants.h"
#include "ompi/mca/fs/base/base.h"
#include "ompi/mca/fs/fs.h"
#include "ompi/communicator/communicator.h"
#include "ompi/info/info.h"
#include "opal/util/path.h"
/*
* file_open_ime
*
* Function: - opens a new file
* Accepts: - same arguments as MPI_File_open()
* Returns: - Success if new file handle
*/
int mca_fs_ime_file_open (struct ompi_communicator_t *comm,
const char* filename,
int access_mode,
struct opal_info_t *info,
ompio_file_t *fh)
{
int perm, amode;
int ret = OMPI_SUCCESS;
perm = mca_fs_base_get_file_perm(fh);
amode = mca_fs_base_get_file_amode(fh->f_rank, access_mode);
/* Reset errno */
errno = 0;
if (OMPIO_ROOT == fh->f_rank) {
fh->fd = ime_native_open(filename, amode, perm);
if ( fh->fd < 0 ) {
ret = mca_fs_base_get_mpi_err(errno);
}
}
comm->c_coll->coll_bcast (&ret, 1, MPI_INT, OMPIO_ROOT, comm,
comm->c_coll->coll_bcast_module);
if ( ret != OMPI_SUCCESS ) {
fh->fd = -1;
return ret;
}
if (OMPIO_ROOT != fh->f_rank) {
errno = 0;
fh->fd = ime_native_open(filename, amode, perm);
if ( fh->fd < 0 ) {
return mca_fs_base_get_mpi_err(errno);
}
}
return OMPI_SUCCESS;
}
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